210313011031123 has 64 divisors (see below), whose sum is σ = 285245884772352. Its totient is φ = 149741357230080.

The previous prime is 210313011031121. The next prime is 210313011031129. The reversal of 210313011031123 is 321130110313012.

It is not a de Polignac number, because 210313011031123 - 2¹ = 210313011031121 is a prime.

It is a super-2 number, since 2×210313011031123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210313011031094 and 210313011031103.

It is not an unprimeable number, because it can be changed into a prime (210313011031121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86233686 + ... + 88639012.

It is an arithmetic number, because the mean of its divisors is an integer number (4456966949568).

Almost surely, 2^{210313011031123} is an apocalyptic number.

210313011031123 is a deficient number, since it is larger than the sum of its proper divisors (74932873741229).

210313011031123 is a wasteful number, since it uses less digits than its factorization.

210313011031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406244.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 210313011031123 its reverse (321130110313012), we get a palindrome (531443121344135).

The spelling of 210313011031123 in words is "two hundred ten trillion, three hundred thirteen billion, eleven million, thirty-one thousand, one hundred twenty-three".